| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 5679 |
57.3%
|
| 2 | Sometimes | 2164 |
21.8%
|
| 3 | Always | 2061 |
20.8%
|
| 7 | N/A | 282 | |
| 8 | Invalid | 5 | |
| 9 | Missing | 156 |